EXHIBIT 12 ADVANCED GLASSFIBER YARNS LLC STATEMENT RE COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES (in thousands, except ratio information) Advanced Glassfiber Yarns ---------------------------------------------------- Predecessor Business Three Months Ended Nine Months Ended ---------------------------------------------- Year Ended December 31, September 30, Year Ended December 31, December 31, -------------------------------------- ---------------------------------------------- ------------- 1999 1998 1998 1997 1996 1995 ------------- ----------------- ----------------- ----------- -------------- -------------- EARNINGS: Income from continuing operations before income taxes 5,796 4,275 59,235 82,866 83,294 74,535 Fixed charges 37,790 9,326 898 1,076 618 457 ---------- ------- -------- ------- -------- ------- 43,586 13,601 60,133 83,942 83,912 74,992 ========== ======= ======== ======= ======== ======= FIXED CHARGES: Interest, including amortization of debt issuance costs 36,824 9,113 -- -- -- -- ---------- ------- -------- ------- -------- ------- Portion of rents representative of interest factor 966 213 898 1,076 618 457 ---------- ------- -------- ------- -------- ------- 37,790 9,326 898 1,076 618 457 ========== ======= ======== ======= ======== ======= RATIO OF EARNINGS TO FIXED CHARGES 1.2x 1.5x 67x 78x 136x 164x ========== ======= ======== ======= ======== =======